prom

type Poller struct {
	// URL that the poller should scrape.
	URL *url.URL

	// Interval is the amount of time that should pass between scrapes.
	Interval time.Duration

	// AcceptHeader is used to negotiate the exposition format from the
	// Prometheus endpoint.
	AcceptHeader string

	// Inbox is the channel to use to observe scraped measurements.
	Inbox chan *ag.Measurement

	// Debug is used to turn on extended logging, useful for debugging
	// purposes.
	Debug bool
}